The film tells three stories about young people during different periods of Chinese history: the development of the Great Northern Wilderness, the Large-scale Development of Western Chinese, and the new era of socialism. Countless young people, filled with passion, integrated their personal ideals into the current of the times and composed a song of youth. Through the ordinary stories of young people, the film depicts the great development of the times and showcases the patriotic spirit of generations of young people.

Lawyer Chen Zhi Qi, who excels in her work, unintentionally finds herself involved in an awful conspiracy theory that involves her client who is on death row.